Core



GRE TOEFL 考研

解释

GRE 红宝书

• n. 果心; 核心v. 去掉某物的中心部分
• ［英］ n. 果心 ( centre of fruits) ; 核心 ( most important part) ; v. 去掉某物的中心部分 ( take out th core of sth)
• ［例］ core an apple

Webster Collegiate

I. noun

• Usage: often attributive
• Etymology: Middle English
• Date: 14th century
• 1. a central and often foundational part usually distinct from the enveloping part by a difference in nature <the core of the city: as
  • a. the usually inedible central part of some fruits (as a pineapple); especially the papery or leathery carpels composing the ripened ovary in a pome fruit (as an apple)
  • b. the portion of a foundry mold that shapes the interior of a hollow casting
  • c. a vertical space (as for elevator shafts, stairways, or plumbing apparatus) in a multistory building
  • d.
    • (1) a mass of iron serving to concentrate and intensify the magnetic field resulting from a current in a surrounding coil
    • (2) a tiny doughnut-shaped piece of magnetic material (as ferrite) used in computer memories
    • (3) a computer memory consisting of an array of cores strung on fine wires; broadly the internal memory of a computer
  • e. the central part of a celestial body (as the earth or sun) usually having different physical properties from the surrounding parts
  • f. a nodule of stone (as flint or obsidian) from which flakes have been struck for making implements
  • g. the conducting wire with its insulation in an electric cable
  • h. an arrangement of a course of studies that combines under basic topics material from subjects conventionally separated and aims to provide a common background for all students <core curriculum
  • i. the place in a nuclear reactor where fission occurs
• 2.
  • a. a basic, essential, or enduring part (as of an individual, a class, or an entity) <the staff had a core of experts<the core of her beliefs
  • b. the essential meaning ; gist <the core of the argument
  • c. the inmost or most intimate part <honest to the core
• 3. a part (as a thin cylinder of material) removed from the interior of a mass especially to determine composition

II. transitive verb (cored; coring)

• Date: 15th century
• to remove a core from <core an apple
• ? corer noun

III. noun

• Etymology: perhaps alteration of Middle English chore chorus, company, perhaps from Latin chorus
• Date: 1622
• chiefly Scottish a group of people

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